<!-- This comment will put IE 6, 7 and 8 in quirks mode -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>include/shark/Algorithms/Trainers/OptimizationTrainer.h Source File</title>
<script type="text/javaScript" src="search/search.js"></script>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3.0.1/es5/tex-mml-chtml.js"></script>
<script src="../../mlstyle.js"></script>
<link href="../css/besser.css" rel="stylesheet" type="text/css"/>
</head>
<!-- pretty cool: each body gets an id tag which is the basename of the web page  -->
<!--              and allows for page-specific CSS. this is client-side scripted, -->
<!--              so the id will not yet show up in the served source code -->
<script type="text/javascript">
    jQuery(document).ready(function () {
        var url = jQuery(location).attr('href');
        var pname = url.substr(url.lastIndexOf("/")+1, url.lastIndexOf(".")-url.lastIndexOf("/")-1);
        jQuery('#this_url').html('<strong>' + pname + '</strong>');
        jQuery('body').attr('id', pname);
    });
</script>
<body>
    <div id="shark_old">
        <div id="wrap">
            <div id="header">
                <div id="site-name"><a href="../../sphinx_pages/build/html/index.html">Shark machine learning library</a></div>
                <ul id="nav">
                    <li >
                        <a href="../../sphinx_pages/build/html/rest_sources/installation.html">Installation</a>
                    </li>
		    <li >
                        <a href="../../sphinx_pages/build/html/rest_sources/tutorials/tutorials.html">Tutorials</a>
                    </li>
		    <li >
                        <a href="../../sphinx_pages/build/html/rest_sources/benchmark.html">Benchmarks</a>
                    </li>
                    <li class="active">
                        <a href="classes.html">Documentation</a>
                        <ul>
                            <li class="first"></li>
                            <li><a href="../../sphinx_pages/build/html/rest_sources/quickref/quickref.html">Quick references</a></li>
                            <li><a href="classes.html">Class list</a></li>
                            <li class="last"><a href="group__shark__globals.html">Global functions</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </div>
<div id="doxywrapper">
<!--
    <div id="global_doxytitle">Doxygen<br>Documentation:</div>
-->
    <div id="navrow_wrapper">
<!-- Generated by Doxygen 1.9.8 -->
<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_9d0c4981f10d03078bcfd5c74fe41ce8.html">shark</a></li><li class="navelem"><a class="el" href="dir_24fc231769ada4cfc8add7cd238ad0f8.html">Algorithms</a></li><li class="navelem"><a class="el" href="dir_d6773070a94f7c70aee2dbd98ae019ea.html">Trainers</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle"><div class="title">OptimizationTrainer.h</div></div>
</div><!--header-->
<div class="contents">
<a href="_optimization_trainer_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">//===========================================================================</span><span class="comment"></span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">/*!</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * \brief       Model training by means of a general purpose optimization procedure.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * </span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * </span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * \author      T. Glasmachers</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * \date        2011-2012</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * \par Copyright 1995-2017 Shark Development Team</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * </span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * &lt;BR&gt;&lt;HR&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * This file is part of Shark.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * &lt;https://shark-ml.github.io/Shark/&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * </span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Shark is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published </span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * by the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * </span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * Shark is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * </span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * along with Shark.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> */</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">//===========================================================================</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#ifndef SHARK_ALGORITHMS_TRAINERS_OPTIMIZATIONTRAINER_H</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#define SHARK_ALGORITHMS_TRAINERS_OPTIMIZATIONTRAINER_H</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_single_objective_optimizer_8h.html">shark/Algorithms/AbstractSingleObjectiveOptimizer.h</a>&gt;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &lt;<a class="code" href="_result_sets_8h.html">shark/Core/ResultSets.h</a>&gt;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_model_8h.html">shark/Models/AbstractModel.h</a>&gt;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#include &lt;<a class="code" href="_error_function_8h.html">shark/ObjectiveFunctions/ErrorFunction.h</a>&gt;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_trainer_8h.html" title="Abstract Trainer Interface.">shark/Algorithms/Trainers/AbstractTrainer.h</a>&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_stopping_criterion_8h.html">shark/Algorithms/StoppingCriteria/AbstractStoppingCriterion.h</a>&gt;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceshark.html" title="AbstractMultiObjectiveOptimizer.">shark</a> {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"></span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment">///</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">/// \brief Wrapper for training schemes based on (iterative) optimization.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">///</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">/// \par</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">/// The OptimizationTrainer class is designed to allow for</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">/// model training via iterative minimization of a</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">/// loss function, such as in neural network</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">/// &quot;backpropagation&quot; training.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">/// \ingroup supervised_trainer</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Model, <span class="keyword">class</span> LabelTypeT = <span class="keyword">typename</span> Model::OutputType&gt;</div>
<div class="foldopen" id="foldopen00058" data-start="{" data-end="};">
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html">   58</a></span><span class="keyword">class </span><a class="code hl_class" href="classshark_1_1_optimization_trainer.html" title="Wrapper for training schemes based on (iterative) optimization.">OptimizationTrainer</a> : <span class="keyword">public</span> <a class="code hl_class" href="classshark_1_1_abstract_trainer.html" title="Superclass of supervised learning algorithms.">AbstractTrainer</a>&lt;Model,LabelTypeT&gt;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_trainer.html" title="Superclass of supervised learning algorithms.">AbstractTrainer&lt;Model,LabelTypeT&gt;</a> <a class="code hl_class" href="classshark_1_1_abstract_trainer.html" title="Superclass of supervised learning algorithms.">base_type</a>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a6ea1a0177091d87e96112be41b016ed9">   63</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_trainer.html#a0cfa7cdd27b8bb162e64188095f8fa71">base_type::InputType</a> <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a6ea1a0177091d87e96112be41b016ed9">InputType</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#ad218bce769adeb0abf043b914693b570">   64</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> Model::OutputType <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#ad218bce769adeb0abf043b914693b570">OutputType</a>;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a16bba2cc3995eb25d31c0c5c270892d6">   65</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_trainer.html#aa4e344106831fb8227c2120681588ea9">base_type::LabelType</a> <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a16bba2cc3995eb25d31c0c5c270892d6">LabelType</a>;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a49f97f789b60936b63516cfcba72cab8">   66</a></span>    <span class="keyword">typedef</span> Model <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a49f97f789b60936b63516cfcba72cab8">ModelType</a>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a94821f625b14c0a2110f8fe1573e04b2">   67</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> ModelType::ParameterVectorType <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a94821f625b14c0a2110f8fe1573e04b2">ParameterVectorType</a>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#af482502de4631496926f145d630b53af">   69</a></span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_single_objective_optimizer.html" title="Base class for all single objective optimizer.">AbstractSingleObjectiveOptimizer&lt; ParameterVectorType &gt;</a> <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#af482502de4631496926f145d630b53af">OptimizerType</a>;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#aea3cee91bfbb1ab192e7699239b65418">   70</a></span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_loss.html" title="Loss function interface.">AbstractLoss&lt; LabelType, OutputType &gt;</a> <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#aea3cee91bfbb1ab192e7699239b65418">LossType</a>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a8a059e6205b464fdfc50cf18f2799163">   71</a></span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_stopping_criterion.html" title="Base class for stopping criteria of optimization algorithms.">AbstractStoppingCriterion&lt;SingleObjectiveResultSet&lt;ParameterVectorType&gt;</a> &gt; <a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a8a059e6205b464fdfc50cf18f2799163">StoppingCriterionType</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="foldopen" id="foldopen00073" data-start="{" data-end="}">
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a3bce482c2ef3c70bbbab4b7c034c294b">   73</a></span>    <a class="code hl_function" href="classshark_1_1_optimization_trainer.html#a3bce482c2ef3c70bbbab4b7c034c294b">OptimizationTrainer</a>(</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>            <a class="code hl_class" href="classshark_1_1_abstract_loss.html" title="Loss function interface.">LossType</a>* loss,</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>            <a class="code hl_class" href="classshark_1_1_abstract_single_objective_optimizer.html" title="Base class for all single objective optimizer.">OptimizerType</a>* optimizer,</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>            <a class="code hl_class" href="classshark_1_1_abstract_stopping_criterion.html" title="Base class for stopping criteria of optimization algorithms.">StoppingCriterionType</a>* stoppingCriterion)</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    : <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#afb616dd8695689cafff3d678ba36e4ef">mep_loss</a>(loss), <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>(optimizer), <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a80fc3d270c449461327a702f7d9f223d">mep_stoppingCriterion</a>(stoppingCriterion)</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    { </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(loss != <span class="keyword">nullptr</span>, <span class="stringliteral">&quot;Loss function must not be NULL&quot;</span>);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(optimizer != <span class="keyword">nullptr</span>, <span class="stringliteral">&quot;optimizer must not be NULL&quot;</span>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(stoppingCriterion != <span class="keyword">nullptr</span>, <span class="stringliteral">&quot;Stopping Criterion must not be NULL&quot;</span>);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    }</div>
</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"></span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">    /// \brief From INameable: return the class name.</span></div>
<div class="foldopen" id="foldopen00085" data-start="{" data-end="}">
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a638833667d4760aa927deb182c3067bd">   85</a></span><span class="comment"></span>    std::string <a class="code hl_function" href="classshark_1_1_optimization_trainer.html#a638833667d4760aa927deb182c3067bd" title="From INameable: return the class name.">name</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>        <span class="keywordflow">return</span> <span class="stringliteral">&quot;OptimizationTrainer&lt;&quot;</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>            + <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#afb616dd8695689cafff3d678ba36e4ef">mep_loss</a>-&gt;<a class="code hl_function" href="classshark_1_1_i_nameable.html#a9893f99314de30cd472e649c235d0db4" title="returns the name of the object">name</a>() + <span class="stringliteral">&quot;,&quot;</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>            + <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>-&gt;<a class="code hl_function" href="classshark_1_1_i_nameable.html#a9893f99314de30cd472e649c235d0db4" title="returns the name of the object">name</a>() + <span class="stringliteral">&quot;&gt;&quot;</span>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    }</div>
</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="foldopen" id="foldopen00092" data-start="{" data-end="}">
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#ab3cfafba31871515074323c20d501573">   92</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_optimization_trainer.html#ab3cfafba31871515074323c20d501573">train</a>(<a class="code hl_typedef" href="classshark_1_1_optimization_trainer.html#a49f97f789b60936b63516cfcba72cab8">ModelType</a>&amp; model, <a class="code hl_class" href="classshark_1_1_labeled_data.html" title="Data set for supervised learning.">LabeledData&lt;InputType, LabelType&gt;</a> <span class="keyword">const</span>&amp; dataset) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        <a class="code hl_class" href="classshark_1_1_error_function.html" title="Objective function for supervised learning.">ErrorFunction&lt;ParameterVectorType&gt;</a> error(dataset, &amp;model, <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#afb616dd8695689cafff3d678ba36e4ef">mep_loss</a>);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        error.<a class="code hl_function" href="classshark_1_1_error_function.html#a6ba22ddebbfc72a20503c9089e59abe8">init</a>();</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_single_objective_optimizer.html#a246f1f1d4e0566c9a0ca43035a63fad5" title="Initialize the optimizer for the supplied objective function using a set of initialisation points.">init</a>(error);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>        <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a80fc3d270c449461327a702f7d9f223d">mep_stoppingCriterion</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_stopping_criterion.html#a2cd08d7ec1a7627ad17ce451b8ba915c" title="resets the internal state. call before a new trial">reset</a>();</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>        <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>            <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_optimizer.html#abfc507951eb09c50d62c474c79d773ea" title="Carry out one step of the optimizer for the supplied objective function.">step</a>(error);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>        }</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        <span class="keywordflow">while</span> (! <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a80fc3d270c449461327a702f7d9f223d">mep_stoppingCriterion</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_stopping_criterion.html#a74a1d1aea141cf2ad5d69e29cb90f25c">stop</a>(<a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_single_objective_optimizer.html#a0909596fcc4f80a8d108859b20b64a81" title="returns the current solution of the optimizer">solution</a>()));</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        model.setParameterVector(<a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>-&gt;<a class="code hl_function" href="classshark_1_1_abstract_single_objective_optimizer.html#a0909596fcc4f80a8d108859b20b64a81" title="returns the current solution of the optimizer">solution</a>().<a class="code hl_variable" href="structshark_1_1_result_set.html#a5afb306cbdabb9ddb962eb22dbf79bb6">point</a>);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    }</div>
</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span> </div>
<div class="foldopen" id="foldopen00104" data-start="{" data-end="}">
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#ad449532e71b350608c5893be63d1b3d8">  104</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_optimization_trainer.html#ad449532e71b350608c5893be63d1b3d8" title="Read the component from the supplied archive.">read</a>( <a class="code hl_typedef" href="namespaceshark.html#ada68729491840669e47c8ad42282424f" title="Type of an archive to read from.">InArchive</a> &amp; archive )</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    {}</div>
</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="foldopen" id="foldopen00107" data-start="{" data-end="}">
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#abdc10088c9e637d0008ec1bc52007400">  107</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_optimization_trainer.html#abdc10088c9e637d0008ec1bc52007400" title="Write the component to the supplied archive.">write</a>( <a class="code hl_typedef" href="namespaceshark.html#af4f8eb8e9618f5236b71bbcb12b8a524" title="Type of an archive to write to.">OutArchive</a> &amp; archive )<span class="keyword"> const</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="keyword">    </span>{}</div>
</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#afb616dd8695689cafff3d678ba36e4ef">  111</a></span>    <a class="code hl_class" href="classshark_1_1_abstract_loss.html" title="Loss function interface.">LossType</a>* <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#afb616dd8695689cafff3d678ba36e4ef">mep_loss</a>;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">  112</a></span>    <a class="code hl_class" href="classshark_1_1_abstract_single_objective_optimizer.html" title="Base class for all single objective optimizer.">OptimizerType</a>* <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a1f460e07d0acdcd22d14833b3bf0cd16">mep_optimizer</a>;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="classshark_1_1_optimization_trainer.html#a80fc3d270c449461327a702f7d9f223d">  113</a></span>    <a class="code hl_class" href="classshark_1_1_abstract_stopping_criterion.html" title="Base class for stopping criteria of optimization algorithms.">StoppingCriterionType</a>* <a class="code hl_variable" href="classshark_1_1_optimization_trainer.html#a80fc3d270c449461327a702f7d9f223d">mep_stoppingCriterion</a>;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>};</div>
</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>}</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
</div>
</body>
</html>
